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Finding the Fourth Proportional to 203,775.74, 281,211.52 and 127,339.22

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Solution

The fourth proportional to 203,775.74, 281,211.52 and 127,339.22 is: 175,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,775.74 : 281,211.52 = 127,339.22 : x
  2. Step 2: Convert to fraction form
    203,775.74/281,211.52 = 127,339.22/x
  3. Step 3: Cross multiply
    203,775.74x = 281,211.52 × 127,339.22
  4. Step 4: Simplify right side
    203,775.74x = 35,809,255,611.81
  5. Step 5: Solve for x
    x = 35,809,255,611.81/203,775.74
  6. Step 6: Final answer
    x = 175,728.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.